of.group.edge.bool.subtract

of.group.edge.bool.subtract *group_tag* <string> tag1 <string> tag2 <string> …

Get the bool subtract of the second - last edge groups and store them into the first tags.

Parameters:

group_tag: tag of the group.

tag: edge groups to be operated.

Example:

of.group.edge.bool.subtract [rock] [rock_up] [rock_down] [rock_left] [rock_right]